Wheeler, Elmer, 1903- Wheeler, Elmer, 1903- Tested salesmanship, by Elmer Wheeler ... - New York : Elmer Wheeler Sales Training Institute, 1948. - xiii, 396 p. 22 cm. Subjects--Topical Terms: Sales personnel.Selling.Psychology, Applied. LC Class. No.: HF 5438.25 / W562t 1948 Dewey Class. No.: 658.85